Created attachment 347366[details]
Crash log
Description of problem:
Nautilus help crashed
Version-Release number of selected component (if applicable):
2.26.3
How reproducible:
Always
Steps to Reproduce:
1. Open Nautilus help
2. Search for "side pane" (without quotes)
3. Click on the first result (Keyboard Accessibility Monitor Manual)
Actual results:
Window apparently hangs: mouse cursor indicates some activity but nothing seems to happen until I click a second time on the link. At this point I get a crash report (see attachment).
Expected results:
Additional info:

Can you please either grab bug-buddy output or manually grab the backtrace? https://fedoraproject.org/wiki/StackTraces
Reassigning to yelp, common gnome help viewer. Also, please post an address which document crashes the help viewer (before clicking on the "Keyboard Accessibility Monitor Manual" or such link, right click and select "Copy Link Address").
Nautilus' manual should be part of the Gnome Desktop User Guide
Please post version of your 'yelp' and 'xulrunner' packages